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Given below is a diagram of separation of two components of a mixture in a chromatographic column. From the diagram, infer which component has lesser affinity to the stationary phase.

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Given below is a diagram of separation of two components of a mixture in a chromatographic column. From the diagram, infer which component has lesser affinity to the stationary phase.

(a) W

(b) X

(c) Y

(d) Z

I got this question by my school teacher while I was bunking the class.

My query is from Operation of Chromatography in portion Chromatography of Analytical Instrumentation

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Correct option is (c) Y

To elaborate: Y will elute from the column first. Components with least affinity to the stationary phase will elute first.

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